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Premier Control Technologies

Flow, pressure, level and temperature solutions

EGE Liquid Flow Sensor STK Series Probe

  • Liquid flow probe for water or oils
  • Available with a ¼” or ½” BSP connection
  • Short threaded version

The EGE series STK is a liquid flow probe which operates on the thermodynamic principle available with a ¼” or ½” BSP connection with sensor lengths either 25mm or 31mm.

When used with water the STK series probe has a detection range of 1 to 150 centimetres per second (cm/s), when used with oils this is 3 to 300 cm/s.

EGE STK series probes have a typical start up times from 2 to 15 seconds and a reaction time of 1 to 13 seconds. Maximum pressure ratings are up to 100 bar.

Dependant on model the STK series has an IP67 or IP68 ingress rating.

STK probes either have a 2 metre cable or M12 connector, wetted parts are all 316 stainless steel.

STK probes can be used with the SKM or SKZ series of amplifiers.


  • Cooling water
  • Cooling lubricants
  • Metal processing (cooling on rolling mills)
  • Pump run dry protection
  • Filter monitoring
  • Monitoring of process flows
  • CIP/SIP processes

Model numbers

  • EGE-STK 421KH-A4
  • EGE-STK421K-A4
  • EGE-STK421-KH-A4

Product enquiry

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01953 609930

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